Ankle brace



FIG. 1 is a pespective view of an ankle brace, showing our new design, in use position; the broken line showing of the foot and ankle is for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines on the ankle brace represent top-stitching. 

The ornamental design for an ankle brace, as shown and described. 